coscos-1- 1 7 + sin-1- 17 is equal to
- 13
0
13
49
If sin-1x + sin-11 - x = cos-1x, then x ∈ to
{1, 0}
{- 1, 1}
0, 12
{2, 0}
sin-145 + 2tan-113 is equal to
π3
π4
π2
2tanh-112 is equal to
log(2)
log(3)
log(4)
The cartesian form of the polar equation θ = tan-12 is
x = 2y
y = 2x
x = 4y
y = 4x
The value of x, where x > 0and tansec - 11x = sintan-12 is
5
53
1
23
B.
Given, tansec - 11x = sintan-12⇒ tantan-11 - x2x = sinsin-121 + 22 ∵tan-1x = sin-1x1 + x2⇒1 - x2x = 25⇒ 51 - x2 = 2x⇒ 4x2 = 51 - x2⇒ x2 = 59⇒ x = 53
If sin-13x + sin-14x = π2, then x = ?
3
7
11
cos-1- 12 - 2sin-112 +3cos-1- 12 - 4tan-1- 1 = ?
19π12
35π12
47π12
43π12
sinh-12 + sinh-13 = x ⇒ coshx = ?
1235 + 210
1235 - 210
1212 + 250
1212 - 250
In any ∆ABC, abcosC - ccosB = ?
b2 + c2
b2 - c2
1b + 1c
1b2 - 1c2